55591990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 103783680

約数和(自身を除く): 48191690

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 389, 461, 778, 922, 1945, 2305, 3890, 4610, 12059, 14291, 24118, 28582, 60295, 71455, 120590, 142910, 179329, 358658, 896645, 1793290, 5559199, 11118398, 27795995, 55591990]

約数ペア:

[(1, 55591990), (2, 27795995), (5, 11118398), (10, 5559199), (31, 1793290), (62, 896645), (155, 358658), (310, 179329), (389, 142910), (461, 120590), (778, 71455), (922, 60295), (1945, 28582), (2305, 24118), (3890, 14291), (4610, 12059)]